沈阳航空航天大学：自动化学院《工程光学》课程教学大纲

电子科技大学：《工程力学 Engineering Mechanics》课程教学资源（教学大纲）

Solution General solution x(t)= A cos wnt +B sin wnt or, x(t)=Csin(wnt+φ) Initial conditions

Lecture D34 Coupled Oscillators Spring-Mass System(Undamped/Unforced)

In lecture D28, we derived three basic relationships embodying Kepler's laws: Equation for the orbit trajectory

Outline Review of Equations of Motion Rotational Motion Equations of Motion in Rotating coordinates Euler Equations Example: Stability of Torque Free Motion Gyroscopic Motion Euler Angles Steady Precession Steady Precession with M=0 MIT

空军工程大学：等离子体点火助燃研究进展与展望（讲稿，航空航天工程学院：吴云）

Source coding Source Encode Channel Alphabet alphabet Source symbols Letters of alphabet, ASClI symbols, English

Packet Multiple Access SHARED UPLIN TERMINAL APPL TERMINALL TRANS NET LLC DLC MAC

Automatic repeat request (ARQ) Break large files into packets FILE PKT PKT PKT Check received packets for errors Use a feedback channel to request retransmissions Retransmit packets containing errors acket Receive ACK